openpam_ctype.h revision 236099
1236099Sdes/*-
2236099Sdes * Copyright (c) 2012 Dag-Erling Sm��rgrav
3236099Sdes * All rights reserved.
4236099Sdes *
5236099Sdes * Redistribution and use in source and binary forms, with or without
6236099Sdes * modification, are permitted provided that the following conditions
7236099Sdes * are met:
8236099Sdes * 1. Redistributions of source code must retain the above copyright
9236099Sdes *    notice, this list of conditions and the following disclaimer
10236099Sdes *    in this position and unchanged.
11236099Sdes * 2. Redistributions in binary form must reproduce the above copyright
12236099Sdes *    notice, this list of conditions and the following disclaimer in the
13236099Sdes *    documentation and/or other materials provided with the distribution.
14236099Sdes * 3. The name of the author may not be used to endorse or promote
15236099Sdes *    products derived from this software without specific prior written
16236099Sdes *    permission.
17236099Sdes *
18236099Sdes * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19236099Sdes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20236099Sdes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21236099Sdes * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22236099Sdes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23236099Sdes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24236099Sdes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25236099Sdes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26236099Sdes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27236099Sdes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28236099Sdes * SUCH DAMAGE.
29236099Sdes *
30236099Sdes * $Id: openpam_ctype.h 578 2012-04-06 00:45:59Z des $
31236099Sdes */
32236099Sdes
33236099Sdes#ifndef OPENPAM_CTYPE_H_INCLUDED
34236099Sdes#define OPENPAM_CTYPE_H_INCLUDED
35236099Sdes
36236099Sdes/*
37236099Sdes * Evaluates to non-zero if the argument is a linear whitespace character.
38236099Sdes * For the purposes of this macro, the definition of linear whitespace is
39236099Sdes * extended to include the form feed and carraige return characters.
40236099Sdes */
41236099Sdes#define is_lws(ch)				\
42236099Sdes	(ch == ' ' || ch == '\t' || ch == '\f' || ch == '\r')
43236099Sdes
44236099Sdes/*
45236099Sdes * Evaluates to non-zero if the argument is a whitespace character.
46236099Sdes */
47236099Sdes#define is_ws(ch)				\
48236099Sdes	(is_lws(ch) || ch == '\n')
49236099Sdes
50236099Sdes/*
51236099Sdes * Evaluates to non-zero if the argument is a printable ASCII character.
52236099Sdes * Assumes that the execution character set is a superset of ASCII.
53236099Sdes */
54236099Sdes#define is_p(ch) \
55236099Sdes	(ch >= '!' && ch <= '~')
56236099Sdes
57236099Sdes/*
58236099Sdes * Returns non-zero if the argument belongs to the POSIX Portable Filename
59236099Sdes * Character Set.  Assumes that the execution character set is a superset
60236099Sdes * of ASCII.
61236099Sdes */
62236099Sdes#define is_pfcs(ch)				\
63236099Sdes	((ch >= '0' && ch <= '9') ||		\
64236099Sdes	 (ch >= 'A' && ch <= 'Z') ||		\
65236099Sdes	 (ch >= 'a' && ch <= 'z') ||		\
66236099Sdes	 ch == '.' || ch == '_' || ch == '-')
67236099Sdes
68236099Sdes#endif
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